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x + 2y = 5 x - 3y = 7 What is the second row of entries for the system determinant? 1, -3 2, -3 5, 7
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Question
Asked 6/19/2014 12:09:50 PM
Updated 6/24/2014 7:44:33 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [6/24/2014 7:42:49 PM]
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Original conversation
User: The system shown has _____ solution(s). y = 1/2 x + 1 2y - x = 6 no one infinite

User: x + 2y = 5 x - 3y = 7 What is the second row of entries for the system determinant? 1, -3 2, -3 5, 7

Weegy: You pretty much just look at the coefficients of the system and put those into a matrix: [1 2] [1 -3] Which would mean the bottom row is (1, -3)
may100|Points 3026|

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Question
Asked 6/19/2014 12:09:50 PM
Updated 6/24/2014 7:44:33 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [6/24/2014 7:42:49 PM]
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y = 1/2 x + 1
2y - x = 6
substitute y in the second equation the result is:
2(1/2x + 1) - x = 6
x + 2 - x = 6
x - x = 6 - 2
0 = 4 which is false statement.
There is no solution for the system y = 1/2 x + 1, 2y - x = 6.
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Added 6/24/2014 7:44:33 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [6/25/2014 12:29:53 PM]
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Added 6/24/2014 12:22:25 PM
This answer has been flagged as incorrect.
Flagged by jerry06 [6/24/2014 12:43:29 PM]
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